Dr. Flavia Marrero Nelson, MD

  • Miami, FL
  • Neurologist
NPI1891722518PAC ID2466424270
Medicare services, 2024
92
Medicare patients, 2024
46
Part D claims, 2024
439
Publications
31
Clinical trials
3
Practice address
1150 Nw 14th St, Miami, FL 33136
Practice phone
Call (305) 243-4951
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

UMiami Medicine - Neurology

Miami, Florida

See all 4 affiliations

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Dr. Flavia Marrero Nelson is a neurologist in Miami, Florida

Dr. Nelson practices at UMiami Medicine - Neurology in Miami, Florida.

Dr. Nelson's NPI, 1891722518, was assigned on June 27, 2006. Dr. Nelson holds Florida license ME154456.

NPI and contact details
Medicare PAC ID
2466424270
NPI enumeration date
June 27, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(305) 243-4951
Professional email
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Personal email
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Mobile number
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Sex
Female
Estimated age
64
Medical school graduation
1988

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Flavia Marrero Nelson practices at UMiami Medicine - Neurology in Miami, Florida

Dr. Nelson's primary practice is UMiami Medicine - Neurology, at 1150 Nw 14th St, Miami, FL 33136 in Miami-Dade County. The practice phone is (305) 243-4951.

  • UMiami Medicine - Neurology
    1150 Nw 14th St, Miami, FL 33136 · Miami-Dade CountyPhone(305) 243-4951

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Flavia Marrero Nelson is affiliated with 3 sites of care and 1 medical group

Dr. Nelson's primary practice is UMiami Medicine - Neurology in Miami, Florida. Dr. Nelson is also affiliated with Sylvester Comprehensive Cancer Center. The medical group on file is University of Miami Health System. Dmand AI also links Dr. Nelson to 1 more group practice or clinic, named with a free account.

See all 4 affiliations for Dr. Nelson

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Flavia Marrero Nelson's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nelson practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
UMiami Medicine - NeurologyAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Flavia Marrero Nelson is one of 1,297 neurologists in Florida

Neurology is Dr. Nelson's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dmand AI has Dr. Nelson's licenses on file in 3 states: Florida, Minnesota and Texas.

Specialties and state licenses

  • Neurology, FloridaPrimaryLicense ME154456 · taxonomy 2084N0400X
  • Minnesota licenseLicense 63304
  • Texas licenseLicense L6124

Neurologists near Dr. Nelson

Counts of neurologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Flavia Marrero Nelson billed Medicare for 92 services in 2024

CMS data shows 92 Medicare services from Dr. Nelson across 3 procedure codes in 2024, all of them office visits, for 46 Medicare patients. Medicare paid $9,253 for them. Every service was in an office.

Medicare services, 202492
Medicare patients46
Paid by Medicare$9,253
Procedure codes3

Dr. Nelson's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 632024: 9246%

Dr. Nelson compared with the Florida median for neurologists, 2024

  • Dr. Nelson
  • Florida median
Medicare services
92vs 47981% below
Medicare patients
46vs 23781% below
Part D claims
362vs 41513% below

Medians across 1,209 neurologists in Florida with Dmand AI profiles that report each measure.

Dr. Nelson's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Nelson

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Flavia Marrero Nelson treated 46 Medicare patients in 2024, average age 65

CMS counts 46 Medicare patients who saw Dr. Nelson in 2024. The largest group is under 65, with 19 patients. 70% of them have high blood pressure, and 70% have high cholesterol. 24% are also on Medicaid. Their average risk score is 1.79, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Nelson's median patient age at 51, with 72% women.

Medicare patients, 202446
Average age65
Average risk score1.79
Also on Medicaid24%

Dr. Nelson's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Nelson's Medicare patients by sex, 2024

  • Women3372%
  • Men1328%

Chronic conditions among Dr. Nelson's Medicare patients, 2024

  1. High blood pressure70%
  2. High cholesterol70%
  3. Arthritis50%
  4. Mood disorders43%
  5. Depression37%
  6. Anxiety30%
  7. Ischemic heart disease24%
  8. Osteoporosis24%

Share of Medicare patients with each condition. A patient can have several.

Dr. Nelson's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 51

Patient panel by sex, all payers

  • Women72%
  • Men28%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Flavia Marrero Nelson wrote 439 Medicare Part D claims in 2024

In 2024, Dr. Nelson wrote 439 Medicare Part D claims for 55 patients. 92% of them were for generic drugs. CMS names the drug for 362 of them, across 14 drugs with 11 or more claims each, at $209,769 in total drug cost. In 2023, CMS named 154 claims across 11 drugs.

Part D claims, 2024439
Drugs named by CMS14
Total drug cost$209,769
Part D patients55

Dr. Nelson's Part D claims by kind of drug, 2024

  • Generic404 claims92%
  • Brand-name35 claims8%

Dr. Nelson's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 1542024: 362135%

Drugs named by CMS: 14 in 2024, 11 in 2023.

See all prescribing by Dr. Nelson

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Flavia Marrero Nelson scored 88 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 88 out of 100 for Dr. Nelson for performance year 2024, reported as part of a group. Dr. Nelson accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Nelson as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Nelson's MIPS scores, performance year 2024

  • 88of 100Final score
  • 78.8of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 71of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. Flavia Marrero Nelson has 31 publications on record

Dmand AI links 31 papers to Dr. Nelson, published from 2011 to 2025. 2016 was the busiest year, with 5. The most frequent topics are Multiple Sclerosis, Brain and Magnetic Resonance Imaging. Dr. Nelson has published most often in J Neuroimaging. Dr. Nelson's most frequent co-authors are Zafer Keser, MD, John Anil Lincoln, MD, PhD and Arash Kamali, MD.

Papers31
Years published2011 to 2025

Dr. Nelson's papers by year, 2014 to 2025

Topics Dr. Nelson writes about most

  • Multiple Sclerosis
  • Brain
  • Magnetic Resonance Imaging
  • Multiple Sclerosis, Relapsing-Remitting
  • Cognition
  • Cognitive Dysfunction
  • Diffusion Tensor Imaging
  • Double-Blind Method

Dr. Nelson's most frequent co-authors

Recent publications by Dr. Nelson

See all 31 publications and co-authors

See who Dr. Nelson researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Nelson works with, so you can find a warm path to the right neurologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Flavia Marrero Nelson has worked on 3 clinical trials

Dmand AI links Dr. Nelson to 3 clinical trials. 1 is still active or recruiting. Conditions studied include Multiple Sclerosis, Demyelinating Autoimmune Diseases, CNS and Multiple Sclerosis, Chronic Progressive. Sanofi sponsors the most, 2. Open Payments lists research payments to Dr. Nelson that name 2 trials.

Conditions in Dr. Nelson's trials

  • Multiple Sclerosis
  • Demyelinating Autoimmune Diseases, CNS
  • Multiple Sclerosis, Chronic Progressive
  • Multiple Sclerosis, Relapsing-Remitting

Investigators on the most trials with Dr. Nelson

Recent clinical trials with Dr. Nelson

Sources: Open Payments (CMS), 2025 data, released July 7, 2026; Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Flavia Marrero Nelson received $530,179 in industry payments from 2016 to 2025

CMS Open Payments shows 622 general payments to Dr. Nelson from 22 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 53% of the total. Sanofi and Genzyme US Companies paid the most, $241,813. It also lists 16 research payments totaling $11,687 from 2016 to 2018, naming 2 clinical trials.

General payments to Dr. Nelson by program year, 2016 to 2025

General payments to Dr. Nelson by kind, 2016 to 2025

$530.2Kin total
  • Consulting fees$280,20953%
  • Speaker and faculty fees$122,64023%
  • Travel and lodging$81,47515%
  • Food and beverage$21,5364%
  • Other$24,3185%

Companies that paid Dr. Nelson the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Nelson

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Dr. Flavia Marrero Nelson's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Flavia Marrero Nelson

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Flavia Marrero Nelson's NPI number?

Dr. Flavia Marrero Nelson's NPI number is 1891722518. It was assigned on June 27, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Flavia Marrero Nelson?

Dr. Flavia Marrero Nelson is a neurologist in Miami, Florida. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).

Where does Dr. Flavia Marrero Nelson practice?

Dr. Nelson practices at 1150 Nw 14th St, Miami, FL 33136. Dr. Nelson's primary practice is UMiami Medicine - Neurology in Miami, Florida. Dmand AI also links Dr. Nelson to 1 group practice or clinic.

What is Dr. Flavia Marrero Nelson's office phone number?

The practice phone on file for Dr. Nelson is (305) 243-4951.

What is Dr. Flavia Marrero Nelson's medical license number?

Dr. Nelson holds Florida license ME154456, one of the licenses on file in 3 states.

Which states has Dr. Flavia Marrero Nelson been licensed in?

Dmand AI has state licenses on file for Dr. Nelson in Florida, Minnesota and Texas.

Which hospitals is Dr. Flavia Marrero Nelson affiliated with?

Dr. Nelson is affiliated with Sylvester Comprehensive Cancer Center.

What medical group is Dr. Flavia Marrero Nelson part of?

Dr. Nelson is linked to University of Miami Health System.

Does Dr. Flavia Marrero Nelson accept Medicare?

Yes. CMS data shows Dr. Nelson billed Medicare for 92 services in 2024, and Dr. Nelson accepts Medicare assignment.

Does Dr. Flavia Marrero Nelson offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Nelson as offering telehealth services.

Show 8 more questionsShow fewer questions

What is Dr. Flavia Marrero Nelson's MIPS score?

Dr. Nelson's MIPS final score for performance year 2024 is 88 out of 100, reported as part of a group.

How many Medicare patients does Dr. Flavia Marrero Nelson see?

CMS counts 46 Medicare patients who saw Dr. Nelson in 2024, with an average age of 65.

What services does Dr. Flavia Marrero Nelson bill to Medicare?

In 2024, Dr. Nelson's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99215) and office visit, established patient (99213).

What drugs does Dr. Flavia Marrero Nelson prescribe most?

In 2024 Medicare Part D data, Dr. Nelson's most prescribed drugs by claims were Mycophenolate Mofetil, Dalfampridine ER and Teriflunomide.

Has Dr. Flavia Marrero Nelson received payments from drug or device companies?

CMS Open Payments shows $530,179 in general payments to Dr. Nelson from 22 companies from 2016 to 2025. The largest total came from Sanofi and Genzyme US Companies.

How long has Dr. Flavia Marrero Nelson been practicing?

Dr. Nelson graduated from medical school in 1988, 38 years ago.

Does Dr. Flavia Marrero Nelson do research?

Dmand AI links 31 publications to Dr. Nelson, published from 2011 to 2025. Dr. Nelson has worked on 3 clinical trials.

Who does Dr. Flavia Marrero Nelson publish with?

Dr. Nelson's most frequent co-authors are Zafer Keser, MD (6 shared papers), John Anil Lincoln, MD, PhD (6 shared papers) and Arash Kamali, MD (5 shared papers).

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